On the capacity of multi-antenna Gaussian channels

We investigate the use of multi-antennas at both ends of a point-to-point communication system over the additive Gaussian channel. We consider a system with t transmit antennas and r receive antennas in which the received vector v∈Cτ depends on the transmitted vector u∈Cτ via: v=Hu+w where H∈C r×t is the channel transfer matrix and w is zero-mean complex circular symmetric Gaussian noise. We assume that E[ww]=σ 2Ir. The transmitter is constrained in its total power, i.e., E[uu]⩽Es. We assume that the channel matrix H is known at both ends of the communication system, and that the waveform channel is flat over the bandwidth of interest

Published in:
Proceedings of the IEEE International Symposium on Information Theory 2001, 53
Presented at:
IEEE International Symposium on Information Theory 2001, Washington, June 24-29, 2001

 Record created 2008-08-08, last modified 2019-03-16

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